element

Information about Xenon-123:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	122.908471	±	0.000017	amu
Excess Mass (Δ):	-85.258936	±	0.015432	MeV
Binding Energy:	1035.784558	±	0.015433	MeV
β^- Decay Energy:	-4.209812	±	0.019679	MeV

"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.

Radioactive Decay Data:

Spin: (1/2)+
Half life: 2.08 h ( 7488 sec., λ = 9.25677×10^-05 s^-1)
Mode of decay:
E.C.
to
123
53
I
(Q = 2.676 MeV)
Possible parent nuclides:
E.C. from
123
55
Cs

R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)

Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
0	2.00 h	1/2+	-0.150(3) d		[129Xe]	CFBLS	PC Neugart (90)
180+x	5.2 ms	7/2(-)	-0.902(7)			TDPAD	ZP A308 227 (82)
				1.33(14)	[125Xe 296]	TDPAD	ZP A308 227 (82)
201+x	17 ns	9/2-		1.1(5)	[123Xe 180+x]	TDPAD	ZP A308 227 (82)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.